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<A href="introduction6.htm">Debugging Tools for Windows (WinDbg, KD, CDB, NTSD)</A> &gt; <A href="debugger_reference.htm">Debugger Reference</A> &gt; <A href="debugger_commands.htm">Debugger Commands</A> &gt; <A href="kernel_mode_extensions.htm">Kernel-Mode Extension Commands</A> &gt; </div>
	<div id="winchm_template_title">!fxdevice</div>
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	<div id="winchm_template_content"><div id="mainSection"><p>The !fxdevice extension displays summary information about all Power Management Framework (PoFx) registered devices. This command can be used only during kernel-mode debugging.</p>
<p> For more information about PoFX, see Overview of the Power Management Framework.
</p>
<p>Syntax</p>
<pre class="syntax"><b>!fxdevice</b>[<b>&lt;FxDevice Address&gt;</b>]</pre>
<h2><a id="ddk__thread_dbg"></a><a id="DDK__THREAD_DBG"></a>Parameters</h2>
<p></p>
<dl>
<dt><a id="___________FxDevice__Address_______"></a><a id="___________fxdevice__address_______"></a><a id="___________FXDEVICE__ADDRESS_______"></a>       <b>&lt;   FxDevice  Address&gt;</b>      </dt>
<dd>
<p> Provides the address of the FxDevice to display.

    </p>
</dd>
</dl>
<h2><a id="DLL"></a><a id="dll"></a>DLL</h2>
<table>
<tr>
<td>
<p><b>Windows 10 and later
         </b></p>
</td>
<td>
<p>
          Kdexts.dll
         </p>
</td>
</tr>
</table>
<p> </p>
<h2>Remarks</h2>
<p>The !fxdevice extension displays the following information when it is present on the target system.</p>
<ul>
<li>Non-idle PoFx devices</li>
<li>Idle D0 PoFx devices</li>
<li>Idle non-D0 PoFx devices</li>
</ul>
<p>The following is example out from the !fxdevice extension with a supplied device address.</p>
<pre class="syntax" xml:space="preserve"><code>kd&gt; !fxdevice ffffe0012ccbda60
!fxdevice 0xffffe0012ccbda60
	DevNode: 0xffffe0012bbb09f0
	UniqueId: "HDAUDIO\FUNC_01&amp;VEN_10EC&amp;DEV_0662&amp;SUBSYS_103C304A&amp;REV_1001\4&amp;25ff998c&amp;0&amp;0001"
	InstancePath: "HDAUDIO\FUNC_01&amp;VEN_10EC&amp;DEV_0662&amp;SUBSYS_103C304A&amp;REV_1001\4&amp;25ff998c&amp;0&amp;0001"
	Device Power State: PowerDeviceD0
	PEP Owner: Default PEP
	Acpi Plugin: 0
	Acpi Handle: 0
	Device Status Flags: IdleTimerOn DevicePowerNotRequired_ReceivedFromPEP 
	Device Idle Timeout: 0x1869ffffe7960
	Device Power On: No Activity
	Device Power Off: No Activity
	Device Unregister: No Activity
	Component Count: 1
		Component 0: F0/F0 - IDLE   (RefCount = 0)
		Pep Component: 0xffffe0012cfe1800
			Active: 0	Latency: 0	Residency: 0	Wake: 0	Dx IRP: 0	WW IRP: 0
			Component Idle State Change: No Activity
			Component Activation: No Activity
			Component Active: No Activity
</code></pre>
<p>The following is the default  output from the !fxdevice extension.</p>
<pre class="syntax" xml:space="preserve"><code>kd&gt; !fxdevice 
********************************************************************************
Dumping non-idle PoFx devices
********************************************************************************
!fxdevice 0xffffe0012bbd08d0
	DevNode: 0xffffe0012b3f87b0
	UniqueId: "\_SB.PCI0"
	InstancePath: "ACPI\PNP0A08\2&amp;daba3ff&amp;1"
	Device Power State: PowerDeviceD0
	Component Count: 1
		Component 0: F0/F1 - ACTIVE (RefCount = 28)

!fxdevice 0xffffe0012c587940
	DevNode: 0xffffe0012b3f9d30
	UniqueId: "\_SB.PCI0.PEGL"
	InstancePath: "PCI\VEN_8086&amp;DEV_D138&amp;SUBSYS_304A103C&amp;REV_11\3&amp;33fd14ca&amp;0&amp;18"
	Device Power State: PowerDeviceD0
	Component Count: 1
		Component 0: F0/F1 - ACTIVE (RefCount = 1)

...

********************************************************************************
Dumping idle D0 PoFx devices
********************************************************************************
!fxdevice 0xffffe0012c5838c0
	DevNode: 0xffffe0012bbdfd30
	UniqueId: "\_SB.PCI0.PCX1"
	InstancePath: "PCI\VEN_8086&amp;DEV_3B42&amp;SUBSYS_304A103C&amp;REV_05\3&amp;33fd14ca&amp;0&amp;E0"
	Device Power State: PowerDeviceD0
	Component Count: 1
		Component 0: F1/F1 - IDLE   (RefCount = 0)

!fxdevice 0xffffe0012c581ac0
	DevNode: 0xffffe0012bbdfa50
	UniqueId: "\_SB.PCI0.PCX5"
	InstancePath: "PCI\VEN_8086&amp;DEV_3B4A&amp;SUBSYS_304A103C&amp;REV_05\3&amp;33fd14ca&amp;0&amp;E4"
	Device Power State: PowerDeviceD0
	Component Count: 1
		Component 0: F1/F1 - IDLE   (RefCount = 0)

...

</code></pre></div></div>	
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